/**
 * Copyright (c) 2012, Ken Anderson
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **/

#ifndef _MCL_H264_DECODER_HPP
#define _MCL_H264_DECODER_HPP

#include "mcl_common.h"
#include "mcl_image.h"

namespace mcl 
{

// Status of the decoder
enum DecodeStatus
{
	DecodeStatus_OK = 0,
	DecodeStatus_NotLoaded,
	DecodeStatus_DecodeFailure,
	DecodeStatus_ConversionFailure,
};

// This class is used to load and decode h264 video.
class H264Decoder
{
public:
	// Constructor/destructor
	H264Decoder();
	~H264Decoder();
	
	// Load the video file and return 0 on success
	DecodeStatus loadFile(const char* filename);

	// Decode a single frame of video.
	// If on the last frame, loop back around to the beginning.
	// Return decode status
	DecodeStatus decodeAndLoop();

	// Accessors
	const mcl::Image& getImage() { return m_image; }
	int getWidth()  { return m_image.getWidth(); }
	int getHeight() { return m_image.getHeight(); }

private:
	// Current status of decoder
	DecodeStatus m_status;
	mcl::Image m_image;
};

} // namespace

#endif